Errors due to Finite Rise/fall Times of Pulses in Superconducting Charge Qubits

Details Errors due to Finite Rise/fall Times of Pulses in Superconducting Charge Qubits Errors due to Finite Rise/fall Times of Pulses in Superconducting Charge Qubits

2002-01-17

arxiv.org/abs/quant-ph/0201068v1

Phys. Rev. B 65, 144526 (2002).

Physics

Quantum Physics

6pages, 4figures, accepted for publication in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.65.144526

We study numerically the dynamics of two-qubit gates with superconducting charge qubits. The exact ratio of $E_J$ to $E_L$ and the corresponding operation time are calculated in order to implement two-qubit gates. We investigate the effect of finite rise/fall times of pulses in realization of two-qubit gates. It is found that the error in implementing two-qubit gates grows quadratically in rise/fall times of pulses.

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